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all: add full LLVM 20 support

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This switches the Espressif fork from LLVM 19 to LLVM 20, so we can use
the improvements made between those LLVM versions. It also better aligns
with the system-LLVM build method, which currently also defaults to LLVM
20.

Note that this disables the machine outliner for RISC-V. It appears
there's a bug in there somewhere, with the machine outliner enabled the
crypto/elliptic package tests fail with -target=riscv-qemu.
This should ideally be investigated and reported upstream.
This commit is contained in:
Ayke van Laethem
2025-08-04 15:29:26 +02:00
committed by Ron Evans
parent 79ab77facd
commit dfbb133ea6
39 changed files with 193 additions and 181 deletions
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compiler/testdata/defer-cortex-m-qemu.ll
Vendored
+7 -7
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@@ -27,7 +27,7 @@ entry:
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack15 = getelementptr inbounds i8, ptr %defer.alloca, i32 4
%defer.alloca.repack15 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr null, ptr %defer.alloca.repack15, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
%setjmp = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
@@ -51,7 +51,7 @@ rundefers.loophead: ; preds = %3, %rundefers.block
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds i8, ptr %2, i32 4
%stack.next.gep = getelementptr inbounds nuw i8, ptr %2, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %2, align 4
@@ -87,7 +87,7 @@ rundefers.loophead6: ; preds = %5, %lpad
br i1 %stackIsNil7, label %rundefers.end3, label %rundefers.loop5
rundefers.loop5: ; preds = %rundefers.loophead6
%stack.next.gep8 = getelementptr inbounds i8, ptr %4, i32 4
%stack.next.gep8 = getelementptr inbounds nuw i8, ptr %4, i32 4
%stack.next9 = load ptr, ptr %stack.next.gep8, align 4
store ptr %stack.next9, ptr %deferPtr, align 4
%callback11 = load i32, ptr %4, align 4
@@ -144,11 +144,11 @@ entry:
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack22 = getelementptr inbounds i8, ptr %defer.alloca, i32 4
%defer.alloca.repack22 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr null, ptr %defer.alloca.repack22, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
store i32 1, ptr %defer.alloca2, align 4
%defer.alloca2.repack23 = getelementptr inbounds i8, ptr %defer.alloca2, i32 4
%defer.alloca2.repack23 = getelementptr inbounds nuw i8, ptr %defer.alloca2, i32 4
store ptr %defer.alloca, ptr %defer.alloca2.repack23, align 4
store ptr %defer.alloca2, ptr %deferPtr, align 4
%setjmp = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
@@ -172,7 +172,7 @@ rundefers.loophead: ; preds = %4, %3, %rundefers.b
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds i8, ptr %2, i32 4
%stack.next.gep = getelementptr inbounds nuw i8, ptr %2, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %2, align 4
@@ -218,7 +218,7 @@ rundefers.loophead10: ; preds = %7, %6, %lpad
br i1 %stackIsNil11, label %rundefers.end7, label %rundefers.loop9
rundefers.loop9: ; preds = %rundefers.loophead10
%stack.next.gep12 = getelementptr inbounds i8, ptr %5, i32 4
%stack.next.gep12 = getelementptr inbounds nuw i8, ptr %5, i32 4
%stack.next13 = load ptr, ptr %stack.next.gep12, align 4
store ptr %stack.next13, ptr %deferPtr, align 4
%callback15 = load i32, ptr %5, align 4